#3F97BA#3F97BA

#3F97BA is a light, moderate cyan. Relative luminance 0.267; OKLCH L 63.8% C 0.098 H 227.7°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).

Color values

HEX#3F97BA
RGBrgb(63, 151, 186)
HSLhsl(197, 49%, 49%)
HSVhsv(197, 66%, 73%)
CMYKcmyk(66.1%, 18.8%, 0%, 27.1%)
CIE-LABlab(58.73, -15.21, -25.92)
CIE-LCHlch(58.73, 30.05, 239.59°)
OKLaboklab(63.78% -0.0661 -0.0725)
OKLCHoklch(63.78% 0.098 227.7)
XYZxyz(21.9759, 26.7328, 50.4466)
Luminance0.2673 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F97BA #BA623F
analogous
#3FBAA0 #3F97BA #3F5ABA
triadic
#3F97BA #BA3F97 #97BA3F
tetradic
#3F97BA #A03FBA #BA623F #5ABA3F
square
#3F97BA #A03FBA #BA623F #5ABA3F
split-complementary
#3F97BA #BA3F5A #BAA03F
monochromatic
#204D5F #30728C #3F97BA #6AB0CC #97C8DC

Accessibility & contrast

On white

3.31
#3F97BA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.35
#3F97BA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F97BA
6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F97BA#FFFFFF#000000##000000
##3F97BA1.003.316.356.35
#FFFFFF3.311.0021.0021.00
#0000006.3521.001.001.00
##0000006.3521.001.001.00

Color blindness preview

Protanopia (red-blind)
#8594BC
Deuteranopia (green-blind)
#7388BA
Tritanopia (blue-blind)
#00A1A2
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #3f97ba;
/* rgb */ color: rgb(63, 151, 186);
/* oklch */ color: oklch(63.8% 0.098 227.7);
Tailwind
colors: {
  custom: {
    50: '#82b5ce',
    500: '#3f97ba',
    950: '#000000',
  },
}
SCSS
$custom: #3f97ba;
$custom-light: #82b5ce;
$custom-dark: #000000;
JSON
{
  "hex": "#3f97ba",
  "rgb": {
    "r": 63,
    "g": 151,
    "b": 186
  },
  "hsl": {
    "h": 197.073,
    "s": 49.398,
    "l": 48.824
  },
  "oklch": {
    "l": 0.63784,
    "c": 0.09807,
    "h": 227.7
  },
  "luminance": 0.26735
}

Semantic roles & 50–950 ramp

primary
#3F97BA
secondary
#C89E8D
accent
#764FD9
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1113
muted
#7D8082

Preview Lab

Preview with #3F97BA

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#3F97BA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva